| Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726) |
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| 04/27/2011 | CN201813210U Protective system for alternating current filter for DC converter station |
| 04/27/2011 | CN201813208U Visual intelligent control protector |
| 04/27/2011 | CN201813158U Circuit for charging battery jar and preventing anode and cathode from reverse connection |
| 04/27/2011 | CN201813151U Pressing plate protective cover on transmission line |
| 04/27/2011 | CN201813150U Discharging protection circuit |
| 04/27/2011 | CN201813149U Dry-type low voltage power capacitor |
| 04/27/2011 | CN201813148U Low-voltage DC power port protector |
| 04/27/2011 | CN201813147U Short circuit protection circuit of switching power |
| 04/27/2011 | CN201813146U Shaft current relay protection device of hydro-generator |
| 04/27/2011 | CN201813145U Leakage protection grounding device for electronic therapeutic massage foot bath basin |
| 04/27/2011 | CN201813144U Fan control alarming device |
| 04/27/2011 | CN201812619U Outdoor single-phase discharge coil |
| 04/27/2011 | CN201810193U Electric gate-machine/curtain machine controller charged with solar energy |
| 04/27/2011 | CN102035446A System and method for detecting high current condition in electric motor |
| 04/27/2011 | CN102035237A Wind-light-electricity complementary intelligent management system |
| 04/27/2011 | CN102035193A Security and stability control and defense method for power grid |
| 04/27/2011 | CN102035192A Uninterrupted power supply control signal interlocking protection circuit |
| 04/27/2011 | CN102035191A Igbt module over-temperature protection circuit |
| 04/27/2011 | CN102035190A Over-current protection circuit |
| 04/27/2011 | CN102035189A Novel monitoring and protecting system for test thyristor of converter valve module |
| 04/27/2011 | CN102035188A Novel thyristor overvoltage protection method |
| 04/27/2011 | CN102035187A Charger, discharge protection device, controller, charge and discharge protection device and system |
| 04/27/2011 | CN102035186A Current interrupting device and secondary battery including current interrupting device |
| 04/27/2011 | CN102035185A Protective element and manufacturing method thereof |
| 04/27/2011 | CN102035184A Capacitor intelligent device and monitoring method thereof |
| 04/27/2011 | CN102035183A Protection circuit for switching power supply |
| 04/27/2011 | CN102035182A Universal type short circuit isolation protection circuit for flyback switching power supply |
| 04/27/2011 | CN102035181A Overcurrent and overvoltage protection circuit in switch power supply |
| 04/27/2011 | CN102035180A Comprehensive protection device for three-phase alternating current asynchronous motor |
| 04/27/2011 | CN102035179A Motor protector using positive temperature coefficient thermistor for protection |
| 04/27/2011 | CN102035178A Method for transformer excitation surge current latching |
| 04/27/2011 | CN102035177A Passive remote control system and control method |
| 04/27/2011 | CN102035176A Electrical switching apparatus and protection apparatus determining thermal age of another apparatus or a number of insulators |
| 04/27/2011 | CN102035169A Input overvoltage protection circuit and DC-DC power supply conversion device |
| 04/27/2011 | CN102033210A Air-gap field detecting device of alternating-current generator and application thereof in state monitoring and control method of alternating-current generator |
| 04/27/2011 | CN101505053B Power line protection method based on user boundary circuit breaker devices |
| 04/27/2011 | CN101478146B Digital transforming plant protecting controlling method and multifunctional protection controller |
| 04/27/2011 | CN101383497B Electric safety press-key control apparatus |
| 04/26/2011 | US7933101 Generator power plant protection system and method |
| 04/26/2011 | US7932629 Method for controlling a generation of an alternating current in a vehicle |
| 04/26/2011 | US7930895 Brushless direct current motor, compressor and air conditioner having the same |
| 04/26/2011 | CA2488518C Dry-type high-voltage load system apparatus and method of preventing chain breaking and arc discharge for use therewith |
| 04/26/2011 | CA2454503C Movable barrier operator auto-force setting method and apparatus |
| 04/21/2011 | WO2011044706A1 Occlusion recognition in an administering apparatus |
| 04/21/2011 | WO2011044624A1 Arc flash protection apparatus |
| 04/21/2011 | WO2010133532A3 Method for discharging a filter capacitor at the output of an inverter device and inverter device |
| 04/21/2011 | US20110090606 Countermeasure for EMP-E3 induced currents |
| 04/21/2011 | US20110089878 Motor drive device with lock protection function |
| 04/21/2011 | DE202009016756U1 Mehrkanalsteuerung für Stellelement Multi-channel control for actuator |
| 04/21/2011 | DE102009049934A1 Aus einem elektrischen Wechselstromnetz versorgbares Elektrogerät und Verfahren zur Fehlererkennung From an electric ac network versorgbares electric apparatus and method for error detection |
| 04/21/2011 | DE102009045489A1 Method for monitoring rectifier of alternate current generator for motor vehicle, involves carrying out counter measure during occurrence of malfunction in one of switches in branch by other switch |
| 04/20/2011 | EP2311179A1 Control method for using redundancy in case of a disturbance in a multiphase converter having distributed energy stores |
| 04/20/2011 | EP2311178A1 Redundant control method for a multiphase converter having distributed energy stores |
| 04/20/2011 | EP2311162A1 A protection arrangement for an electrical power distribution network |
| 04/20/2011 | EP2310137A1 Electrostatic atomizing device and air conditioner using same |
| 04/20/2011 | EP1656730B1 Protection circuit for a power supply unit, and power supply unit with a respective protection circuit |
| 04/20/2011 | EP0958643B1 Circuit breaker for disconnecting an electrical apparatus from electrical network |
| 04/20/2011 | CN201805312U Locked rotation preventive clutch device of motor |
| 04/20/2011 | CN201805280U Remote monitoring control device of electrical equipment |
| 04/20/2011 | CN201805261U Charging system for electric vehicles |
| 04/20/2011 | CN201805259U Power supply source of lithium ion battery pack |
| 04/20/2011 | CN201805246U 全自动智能充电器 Fully automatic smart charger |
| 04/20/2011 | CN201805242U Vehicle lithium battery management system |
| 04/20/2011 | CN201805222U Series fault arc detection device adopting wavelet entropy |
| 04/20/2011 | CN201805221U Automatic isolating and positioning device for ground fault of direct current system |
| 04/20/2011 | CN201805220U Intelligent voltage-stabilizing power supply control device for atmosphere monitoring station |
| 04/20/2011 | CN201805219U Storage battery protector provided with time control function |
| 04/20/2011 | CN201805218U Protector of excitation system of synchronizer |
| 04/20/2011 | CN201805217U Automobile glass hoisting motor protector |
| 04/20/2011 | CN201805216U Stirring motor protective device |
| 04/20/2011 | CN201805215U Small submersible pump protector |
| 04/20/2011 | CN201805214U Microcomputer electric motor protective monitoring device with temperature measuring function |
| 04/20/2011 | CN201805213U Three-protection circuit of diesel generator set |
| 04/20/2011 | CN201805212U Incoming line open-phase protection device of traction substation |
| 04/20/2011 | CN201805211U Starting protection device for test run of electrical equipment |
| 04/20/2011 | CN201805210U Pumping controller |
| 04/20/2011 | CN201804796U 电压检测继电器 Voltage detection relay |
| 04/20/2011 | CN1902798B Method and device for fault detection in transformers or power lines |
| 04/20/2011 | CN102027652A Transformation substation |
| 04/20/2011 | CN102027628A Battery pack and active cell balancing battery management system including the same |
| 04/20/2011 | CN102025264A Safety grating |
| 04/20/2011 | CN102025171A Electric power supply system for oil-electric hybrid vehicle |
| 04/20/2011 | CN102025133A Safety circuit of elevator |
| 04/20/2011 | CN102025132A Temperature and humidity protective circuit of switch cabinet |
| 04/20/2011 | CN102025131A Arc light monitoring and protecting system |
| 04/20/2011 | CN102025130A Storage battery protecting device of solar or wind power generation system |
| 04/20/2011 | CN102025129A Charge and discharge protection circuit and charge protection method |
| 04/20/2011 | CN102025128A Default phase protection circuit |
| 04/20/2011 | CN102025127A Real-time protection device of marine power generator |
| 04/20/2011 | CN102025126A Relay protection method of transformer as well as system thereof |
| 04/20/2011 | CN102023277A Homonymic phase inter-line fault phase selection method of four-parallel line on same tower based on twelve-sequence component |
| 04/20/2011 | CN101651329B Judgment method of line breakage of special TV for inter-turn protection of generator |
| 04/20/2011 | CN101593966B Open-phase protector for three-phase motor |
| 04/20/2011 | CN101476987B Fault diagnosis method for turbine emergency protection device |
| 04/20/2011 | CN101409441B Overcurrent protection circuit for switch magneto resistance speed-regulating motor |
| 04/20/2011 | CN101369780B Unit bypass apparatus and control method of unit cascading high voltage frequency converter |
| 04/20/2011 | CN101286635B Synthetic monitoring method and device in medium-voltage power supply system |
| 04/20/2011 | CN101232171B Television power supply protective circuit |
| 04/20/2011 | CN101207273B Method for inhibiting voltage transformer noise caused by DC magnetic biasing |
| 04/20/2011 | CN101174769B Self-recovery multifunctional protection circuit |